Drainboard



FIG. 1 is a perspective view of the drainboard according to the invention;

FIG. 2 is a side view of the drainboard as shown in FIG. 1;

FIG. 3 is a front end view of the drainboard as shown in FIG. 1;

FIG. 4 is a rear end view of the drainboard as shown in FIG. 1;

FIG. 5 is a top view of the drainboard as shown in FIG. 1; and,

FIG. 6 is a bottom view of the drainboard as shown in FIG. 1. 

The ornamental design for a drainboard, as shown and described. 